National Weather Service Detroit/Pontiac MI
3:51 AM Wednesday September 20.
occasional wave height is the average of
the highest 1/10 of the wave spectrum.
synopsis, high pressure, 30.10 inches, will expand from quebec
today into the eastern great lakes over the next couple of days.
this high will hold nearly stationary across the eastern great lakes
through the weekend, while a frontal boundary stalls across the
northern great lakes.